Anatomy of Sodium Hypochlorite Accidents by Omid Mehdipour‚ DDS Donald J. Kleier‚ DMD Robert E. Averbach‚ DDS Omid Mehdipour‚ DDS International Student Program Donald J. Kleier‚ DMD Professor and Chairman Robert E. Averbach‚ DDS Professor of Endodontics Division of Endodontics University of Colorado School of Dental Medicine Aurora‚ Colorado Abstract Sodium hypochlorite (NaOCl) in various concentrations is the most widely used endodontic irrigant‚ but it can be an irritant to vital tissues
Premium Endodontics
Results and discussion: I. a. How would you compare that relative reactivity of Na and k -Sodium and potassium react somewhat similar when reacting with water however they are slightly different. Sodium moves because of the hydrogen coming off of it and has a low melting point while potassium’s reaction is faster and enough heat is produced to set light to the hydrogen coming off of it. Each leaves a pink color hue in the water. Discuss the similarities and differences in the behavior of the metals
Premium Chemistry Chemical reaction Water
three reactions. These heats of reaction will be measured using a styrofoam calorimeter. The three reaction are shown below. Reaction 1: The dissolving of solid sodium hydroxide in water. NaOH(s) ---> Na+(aq) + OH-(aq) + heat Reaction 2: The reaction of solid sodium hydroxide with dilute hydrochloric acid. NaOH(s) + H+(aq) + Cl-(aq) ---> Na+(aq) + Cl-(aq) + H2O Reaction 3: The reaction of sodium hydroxide solution with dilute hydrochloric acid solution
Premium Sodium hydroxide Chlorine Hydrochloric acid
and see how it really operates. He also did interviews with people who were willing to do so. I plan on using this article on the con side of it. There is good that is being done that the author does witness‚ but also several negative aspects about it. Quote 1.) Nearly a quarter of Bronx Harm Reduction’s users were known to be HIV-positive‚ while 60%
Premium Drug addiction Heroin Addiction
lattice is collapses and the solid is converted into liquid. The trend in structure is from the metallic oxides containing giant structures of ions on the left of the period via a giant covalent oxide in the middle to molecular oxides on the right. Sodium peroxide‚ magnesium oxide and aluminum oxide are metallic oxide which have high melting and boiling point compared to other period 3 oxide. This is due to their giant ionic structure and the strong ionic bond. Strong ionic bond in the molecule need
Premium Ionic bond Oxygen Oxide
Harm Reduction paper Randy Jones Substance Abuse Counselling January 18‚ 2012 This paper will discuss the principles and position of harm reduction. It will also examine the public perception of the user‚ which has created an ineffective philosophy. Most importantly‚ my paper seeks to recognize the harm of harm reduction. This discussion will highlight the lack of hope it creates in the user. Harm reduction needs to be addressed so that a long-term solution for the user can be implemented‚ not
Premium Drug addiction Heroin Addiction
uncertainty reduction theory. This theory states that the main goal whenever you meet a stranger is to reduce the unknown between the two of you‚ thus increasing your own ability to predict each other’s future behavior. Since you learn more about the other person‚ you can use this information and the history of your relationship to guess how they will interact
Premium Communication
a) What other name(s) does this chemical go by? (i.e. synonyms) Other names for sodium bicarbonate are baking soda‚ sodium hydrogen carbonate‚ and carbonic acid sodium. (b) What is the type(s) of hazard associated with this chemical? (i.e. poisonous‚ biohazardous‚ ...) According to the Globally Harmonized System (GHS) of Classification and Labeling of Chemicals‚ sodium bicarbonate has not been categorized as hazardous. (c) What should you do if this chemical splashes in your eyes or is spilled
Premium Chemistry Water Bacteria
Name: Soumya Prem Roll no: 20120119150 Uncertainty reduction theory - Charles Berger and Richard Calabrese This theory explains how communication is used to reduce the uncertainty among people when they meet each other for the first time. It is assumed that when strangers meet‚ their primary objective is to reduce uncertainty about the other person involved in the interaction. We always want to reduce the uncertainties about our surroundings and the people in it since being uncertain about
Premium Communication Uncertainty reduction theory
PRACTICAL 2: Preparation of sodium hexanitrocobaltate (III) Date: 12 March 2014 INTRODUCTION Sodium hexanitrocobaltate (III) is a coordination complex which has the formula Na3[Co(NO2)6]. This compound is yellow in colour. It consists of a central Co3+ ion surrounded by six nitro ligands [1]. This compound is used as a qualitative test for potassium and ammonium ions (so long as certain other cations are not present) [1]. Potassium and ammonium are insoluble in water‚ while sodium is [1]. Hence‚ the
Free Ion Mole Oxygen